Home / 30,246.60-45,352.17-9,180.30

Finding the Fourth Proportional to 30,246.60, 45,352.17 and 9,180.30

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Solution

The fourth proportional to 30,246.60, 45,352.17 and 9,180.30 is: 13,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.60 : 45,352.17 = 9,180.30 : x
  2. Step 2: Convert to fraction form
    30,246.60/45,352.17 = 9,180.30/x
  3. Step 3: Cross multiply
    30,246.60x = 45,352.17 × 9,180.30
  4. Step 4: Simplify right side
    30,246.60x = 416,346,526.25
  5. Step 5: Solve for x
    x = 416,346,526.25/30,246.60
  6. Step 6: Final answer
    x = 13,765.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.